package com.itheima.reggie.common;

import com.alibaba.fastjson.JSON;
import com.itheima.reggie.entity.Employee;
import lombok.Data;

import java.util.HashMap;
import java.util.Map;

@Data
public class R<T> {
    private Integer code; //编码：1成功，0和其它数字为失败
    private String msg; //错误信息
    private T data; //数据
//    private Map map = new HashMap(); //动态数据

    public static <T> R<T> success(T object) {
        R<T> r = new R<T>();
        r.data = object;
        r.code = 1;
        return r;
    }
    public static <T> R<T> error(String msg) {
        R r = new R();
        r.msg = msg;
        r.code = 0;
        return r;
    }
//    public R<T> add(String key, Object value) {
//        this.map.put(key, value);
//        return this;
//    }
//public static void main(String[] args) {
//        //查询成功
//    Employee employee = new Employee();
//    employee.setName("admin");
//    employee.setPassword("123456");
//    R<Employee> success = R.success(employee);
//    System.out.println(JSON.toJSONString(success));
//    //查询失败
//    R<Object> error = R.error("登录失败");
//    System.out.println(error);
//}
}
